Abstract

The Trusted Execution Environment (TEE) is a safe area on the processor of all kinds of mobile smart devices. With the continuous development of TEE, attack methods against it have gradually appeared. Existing research has proposed existing attack methods that are solved by the security enhancement solution of the TEEv virtualization architecture, but it still cannot solve the problems that will affect other TEEs after being attacked, and the monitor cannot understand the overall security status of the equipment, which makes it impossible to completely solve the hidden dangers. In order to solve these problems in the TEEv virtualization architecture, a dynamic integrity measurement system is introduced to monitor the operating status of the system in real time, and through experiments, the accuracy of kernel attack detection and the impact of the dynamic measurement system on system performance are obtained. Experimental results show that the introduced dynamic integrity measurement system can effectively detect kernel attacks and feed back to the monitor, making the TEEv virtualization architecture more secure.

Full Text
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